28o British UredinecB and UstilaHnece. 



Ustilago utriculosa. (Nees.) 



Spore-masses dark violet, produced within the perianth, causing 

 the blossoms to become swollen. Teleutospores globose, 

 transparent, violet, reticulated with very high ridges which 

 form a wide network, g-12/x in diameter. 



Synonyms. 



Winter, loc. cit., p. 100. Schrot., loc. cit., p. 273. 

 CcBoma utriculosum. Nees, "System," p. 14, t. i., fig. 6. 

 Uredo Jitrkulosa, D. C. Berk., " Eng. Flor.," vol. v. p. 377. 

 Ustilago utriculosa, Tul. Cooke, " Hdbk.," p. 514; "Micro. 

 Fungi," 4th edit., p. 230, t. vi. figs. 11 2-1 16. 



Exsiccati. 

 A^'ize, "Micro. Fungi," 132. 



On Polygomun lapathifoliniu, persicaria, convolvulus, and hydro- 

 pipe?'. 



June to September. 



Biology. — See p. 85. 



Ustilago violacea. (Pers.) 



Spore-masses violet, pulverulent, produced in the anthers. Teleu- 

 tospores rounded, violet, transparent, epispore covered by 

 ridges which form a close network, 6-9/A in diameter. 



Synonyms. 



Winter, loc. cit., p. 98. Schrot., loc. cit., p. 273. 



Uredo violacea. Pers., " Disp. Meth.," p. 57. 



Farinaria stellarice. Sow., " Eng. Fung.," t. 396, fig. i. 



Uredo antherarum, D. C. Grev., "Flor. Edin.," p. 443. 

 Berk., " Eng. Flor.," vol. v. p. 381. 



Ustilago antherarum. Fries. Cooke, "Hdbk.," p. 515; 

 "Micro. Fungi," 4th edit., p. 230, t. v. figs. 102-104. 



Exsiccati. 

 Cooke, ii. 427. Vize, "Fungi Brit.," 84. 



On Silene inflata, maritima, nutans, Cerastium viscosum 



